.a{
    width: 100%;
    height: 700px;
    background-image: url("http://www.shoto.com/images/bg.png");
    background-position:0px -50px ;
}
.b{
    width: 100%;
    height: 700px;
    background-color: white;
}
.c{
    width: 100%;
    height: 800px;
    background-color: deepskyblue;
}
.d{
    width: 100%;
    height: 800px;
    background-color: white;
}
.e{
    width: 100%;
    height: 800px;
    background-color: deepskyblue;
}
.f{
    width: 100%;
    height: 700px;
    background-color: white;
}
.g{
    width: 100%;
    height: 330px;
    background-color: rgba(7, 0, 28, 0.79);
}
.h{
    width: 100%;
    height: 290px;
    background-color: white;
}

.span2{
    margin-top: 49px;
    width: 16%;
    height: 16%;
}

.i{
    width: 100%;
    height: 800px;
    background-color: deepskyblue;
}

.j{
    width: 100%;
    height: 800px;
    background-color: white;
}